package week02.day01;

public class 上机练习 {
    public static void main(String[] args) {
        double a = 89.7;
        double b = 90.5;
        double c = 78;
        double chengji = (int)((a+b+c)/3);
        System.out.println("这三位学生的平均成绩为"+chengji);
    }
}
